bpo-34503: Fix refleak in PyErr_SetObject() (GH-8934)

Alexey Izbyshev · zhangyangyu · commit a2eefa67542c · 2018-08-27T00:31:25.000+08:00
diff --git a/Python/errors.c b/Python/errors.c
@@ -110,6 +110,7 @@ PyErr_SetObject(PyObject *exception, PyObject *value)
             fixed_value = _PyErr_CreateException(exception, value);
             Py_XDECREF(value);
             if (fixed_value == NULL) {
+                Py_DECREF(exc_value);
                 return;
             }
 

Original file line number	Diff line number	Diff line change
`@@ -110,6 +110,7 @@ PyErr_SetObject(PyObject exception, PyObject value)`
`110`	`110`	`fixed_value = _PyErr_CreateException(exception, value);`
`111`	`111`	`Py_XDECREF(value);`
`112`	`112`	`if (fixed_value == NULL) {`
	`113`	`+ Py_DECREF(exc_value);`
`113`	`114`	`return;`
`114`	`115`	`}`
`115`	`116`